Originally Posted by rpenmanparker

Get prepared for the onslaught, my friend. No one questions posters' claims of wind speed and comes away unscathed.

But regarding your equivalence of 5 mph into a 25 mph headwind with going 30 mph with no headwind, it really doesn't work that way. See for yourself on www.bikecalculator.com In the drops 10 mph into a 25 mph headwind takes about 220 watts. 35 mph with no headwind takes a whopping 770 watts. Or at least so says the calculator.